... Office at NASA's Jet Propulsion Laboratory in Pasadena, Calif., has not changed its current estimates for the very low probability (1 in 45,000) of an Earth impact by the asteroid Apophis in 2036.
... cenospheres tended to be. That observation is consistent with the expectation that particles were produced by the asteroid impact, since once the particles are ejected, heavier particles should fall ...
... AIAA Journal of Guidance, Control, and Dynamics.
The chances of having to use deflection technologies on an asteroid in the near future are admittedly remote. Scientists estimate the frequency of an ...
BERGAMO, Italy, June 5 (UPI) -- A British scientist said a prehistoric mummy known as the Iceman may have been killed by an asteroid.
... for 30 years. One of the proposed explanations--a massive asteroid impact--now has strong support from computer ... to see what would happen when a big asteroid hits Mars," said Francis Nimmo, associate ...
... Object Surveillance Satellite), this spacecraft will provide a significant improvement in surveillance of asteroids that pose a collision hazard with Earth and innovative technologies for tracking ...
... kind of work is showing that we can't control everything," he says. "Our planet has been hit by asteroids many times throughout its history, and when that happens, it does produce climate change."
... awoken Rosetta from hibernation to prepare for its encounter with asteroid (2867) Steins on 5 September. ESA ... comet chaser will study the relatively rare asteroid as it flies by on its way to comet 67/P ...
... origin of a large fraction of observed binaries," said Michel. "The implications are that binary asteroids are preferentially formed from aggregate objects [rubble piles], which agrees with the idea ...
A small asteroid sailing past our planet right now turns out to be two giant rocks orbiting each other.
... ESA's European Space Operations Centre in Germany are working to a tight deadline as ESA's comet-chasing spacecraft Rosetta swings steadily closer to a spectacular asteroid fly-by on 5 September 2008.
Heading toward its first target-asteroid, (2867) Steins, ESA's Rosetta spacecraft has started using its cameras to visually track the asteroid and eventually determine its orbit with more accuracy.
... PhysOrg.com) -- For the last few years, astronomers have faced a puzzle: The vast majority of asteroids that come near the Earth are of a type that matches only a tiny fraction of the meteorites that ...
... trajectory correction manoeuvre using data obtained from the Agency's first-ever optical tracking of an asteroid target, (2867) Steins. Images from the spacecraft's cameras were used to calculate the ...
ESA PR 35-2008. ESA’s Rosetta spacecraft will make a historic encounter with asteroid (2867) Steins on 5 September 2008. The doors of ESA’s European Space Operations Centre (ESOC) in Darmstadt, ...